package util;

import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;

public class CommonUtil {
	public static String createAjaxResultXML(String strTable, String strId) {
		try {
			DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance();
			DocumentBuilder docBuilder = dbfac.newDocumentBuilder();
			Document doc = docBuilder.newDocument();
			Element root = doc.createElement(strTable);
			doc.appendChild(root);
			Element eIdElement = doc.createElement("id");
			root.appendChild(eIdElement);
			Text tIdText = doc.createTextNode(strId);
			eIdElement.appendChild(tIdText);

			TransformerFactory transfac = TransformerFactory.newInstance();
			Transformer trans = transfac.newTransformer();
			trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
			trans.setOutputProperty(OutputKeys.INDENT, "yes");

			// create string from xml tree
			StringWriter sw = new StringWriter();
			StreamResult result = new StreamResult(sw);
			DOMSource source = new DOMSource(doc);
			trans.transform(source, result);
			String xmlString = sw.toString();

			return xmlString;
			
		} catch (Exception e) {
			return "error";
		}
	}

}
